This study explores the period of emerging adulthood (18-25 years) and living with and managing a long-term physical condition during this time. You are eligible if you are 18-25 and able to complete the online questionnaire yourself. *A long-term physical condition is a condition diagnosed by a medical professional, has lasted 6 months or more and requires some ongoing treatment (e.g. medication, GP visits, therapies). Examples of long-term physical conditions include: diabetes, cardiovascular (e.g. congenital heart defect, hypertension), chronic respiratory (e.g. asthma), chronic neurological (e.g. multiple sclerosis, epilepsy), chronic pain (e.g. arthritis), other long-term conditions (e.g. irritable bowel syndrome) etc.